Faster Software Delivery - Dan North

My write up of an awesome tutorial by Dan North

Transcript

1. Faster software delivery* Paul McGrath * Pedant’s note: That’s delivering software, faster
2. Patterns of effective delivery Dan North
3. The Three Ages Stage Optimise for? Explore Learning Stabilise Repeatability Commoditise Cost  Agile methodologies optimise for certainty, predictability & transferability
4.  Could have been innovating/writing code  Delivery focus involves managing risk But at what (opportunity) cost? Probability Impact 0 1 Improve code quality
5. Where should effort be applied? Differentiator Complexity Gold Platinum “Hack it” HR Payroll Email …Excel
6.  Upfront planning is not scientific  Low cost of each spike  Scientifically find out what works ◦ Then invest in that solution  Test risky parts => “Test driven tests”  Not for beginners 1. Spike and stabilise
7.  Like “Walking Skeleton” pattern ◦ But throughput focussed  Optimise for time to production  Implement whole stack as rapidly as possible ◦ But don’t release rubbish  This is the best kind of testing ◦ Very, very fast iterations 2. Dancing skeleton
8.  KPIs & Metrics  Estimation & Planning  Relationships  Deliberate discovery  Analysis .ne. paralysis  Logs  SOA  Think  https://vimeo.com/43659070. More wisdom from Dan